
156×25-25×56 147×23+47×23 123×12+23×12
438+279+362+521 256+3+211+344 +75+36+125
5320÷7×8 4008-1806÷3 1000-918÷9
3456+2738-729= 6582-3728+3976= 845+6976-87=
100+25×3-90 74+100÷5×3 23072÷412×65
2+578-1 836+529-436 207×8-987
6×25+75×6 37×100-37 34+306×2
